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View Full Version : Custom driveshaft with q45 end mounted on s14 differential

Djinfinit
10-17-2014, 01:31 PM
Hi guys,

I'm doing a 2jz into a s14. My brother bought a q45 ended driveshaft for my car by accident and there not letting me return it. My s14 doesnt have a q45 differential, and I don't plan on having one at this time. What options do I have to get the driveshaft to work with the 240sx s14 differential that is on there?

Please help me, it's one of the last pieces of the puzzle for me.

Thanks,
Randy
ultimateirving
10-17-2014, 04:47 PM
Hi guys,

I'm doing a 2jz into a s14. My brother bought a q45 ended driveshaft for my car by accident and there not letting me return it. My s14 doesnt have a q45 differential, and I don't plan on having one at this time. What options do I have to get the driveshaft to work with the 240sx s14 differential that is on there?

Please help me, it's one of the last pieces of the puzzle for me.

Thanks,
Randy

Might work but you could also consider an axle or 4x4 shop and see if just can modify the ujoint that connects to the diff
Djinfinit
10-17-2014, 05:13 PM
They want like 250$ + to replace the end !
ultimateirving
10-17-2014, 05:38 PM
They want like 250$ + to replace the end !

Lmao. I paid $250 for my custom one piece d/s so ya, find a different shop maybe.
Djinfinit
10-19-2014, 08:31 PM
does anyone know if i maybe can use a q45 input flange on the s14 differential? I read some where that using the s14 input flange on the q45 diff is possible. I don't know if its backwards compatible.
DennisC
10-20-2014, 09:42 AM
The flange can be redrilled to match your driveshaft
Chaluska
10-20-2014, 11:50 AM
The flange can be redrilled to match your driveshaft

This ^^

msgg
Djinfinit
10-20-2014, 08:01 PM
The flange can be redrilled to match your driveshaft

Is there enough space to drill the q45 pattern on the 240sx flange
DennisC
10-20-2014, 08:17 PM
I think I only seen the 240sx driveshaft pattern drilled onto a q45 flange
[email protected]
10-22-2014, 12:14 AM
Pretty sure the q45 flange will work on an s14 diff
alvarez-s14
10-29-2014, 11:09 PM
you can drill the 240sx drive shaft pattern on the q45 flange.
I have wondered if the flanges could also be iterchaged between the q45 and a 240 differential. because I heard the q45 is a 240 differential with bigger(stronger) output shafts but that would leave the input flange to be the same between the two and interchangeable.
but Idk hopefully somebody else can shine in.